Fixed issue #227

[pothula-bharat]

Description

Fixed the .row overflow issue when using .col-xs-* class. This bug is caused because div.row element width is more than the body element.
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Check List

instruction : terminal command

• run the build script grunt
• open index.html in a browser & resize to test visual issues

[imevro]

Seems like flexboxgrid was abandoned by @kristoferjoseph, so I forked project and made flexboxgrid2.

What is already done:

• added breakpoint xl for 1200px and sm now pointed to 576px (Support for XL like in bootstrap 4 #232) like Bootstrap v4,
• fixed .container class and now it works properly and not causing horizontal scroll (.row causing horizontal scroll when there's content. #254),
• cleaned up from messy structure (In downloaded archive css has different flexboxgrid.css #249)

flexboxgrid2 right now is alpha5, so if you can test it and fills issues (or PRs!) I'll be very grateful.